/*
 * Copyright 2011 myTDev.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mytdev.util.properties;

import java.util.Properties;

/**
 *
 * @author Yann D'Isanto
 */
public final class DefaultPropertiesAccessor implements PropertiesAccessor {

    /**
     * The underlying properties.
     */
    private final Properties properties;

    /**
     * Creates a properties accessor from the specified properties.
     *
     * @param properties the underlying properties. The
     * <code>null</code> value is not allowed.
     */
    public DefaultPropertiesAccessor(Properties properties) {
        if (properties == null) {
            throw new NullPointerException("the specified properties is null");
        }
        this.properties = properties;
    }

    /**
     * @see PropertiesAccessor#getProperty(java.lang.String)
     */
    public String getProperty(String key) {
        return properties.getProperty(key);
    }

    /**
     * @see PropertiesAccessor#setProperty(java.lang.String, java.lang.String)
     */
    public void setProperty(String key, String value) {
        properties.setProperty(key, value);
    }
}
